58 lines
2.2 KiB
Python
58 lines
2.2 KiB
Python
"""Test that lldb works correctly on compile units form different languages."""
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import re
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import lldb
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from lldbsuite.test.lldbtest import *
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class MixedLanguagesTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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def test_language_of_frame(self):
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"""Test that the language defaults to the language of the current frame."""
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self.build()
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exe = self.getBuildArtifact("a.out")
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self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
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# Execute the cleanup function during test case tear down
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# to restore the frame format.
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def cleanup():
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self.runCmd(
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"settings set frame-format %s" %
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self.format_string, check=False)
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self.addTearDownHook(cleanup)
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self.runCmd("settings show frame-format")
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m = re.match(
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'^frame-format \(format-string\) = "(.*)\"$',
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self.res.GetOutput())
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self.assertTrue(m, "Bad settings string")
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self.format_string = m.group(1)
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# Change the default format to print the language.
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format_string = "frame #${frame.index}: ${frame.pc}{ ${module.file.basename}\`${function.name}{${function.pc-offset}}}{, lang=${language}}\n"
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self.runCmd("settings set frame-format %s" % format_string)
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self.expect("settings show frame-format", SETTING_MSG("frame-format"),
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substrs=[format_string])
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# Run to BP at main (in main.c) and test that the language is C.
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self.runCmd("breakpoint set -n main")
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self.runCmd("run")
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self.expect("thread backtrace",
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substrs=["`main", "lang=c"])
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# Make sure evaluation of C++11 fails.
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self.expect("expr foo != nullptr", error=True,
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startstr="error")
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# Run to BP at foo (in foo.cpp) and test that the language is C++.
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self.runCmd("breakpoint set -n foo")
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self.runCmd("continue")
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self.expect("thread backtrace",
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substrs=["`::foo()", "lang=c++"])
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# Make sure we can evaluate an expression requiring C++11
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# (note: C++11 is enabled by default for C++).
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self.expect("expr foo != nullptr",
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patterns=["true"])
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